161520502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 304819200

約数和(自身を除く): 143298698

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 139, 143, 187, 221, 239, 278, 286, 374, 442, 478, 1529, 1807, 2363, 2431, 2629, 3058, 3107, 3614, 4063, 4726, 4862, 5258, 6214, 8126, 19877, 25993, 30719, 33221, 34177, 39754, 44693, 51986, 52819, 61438, 66442, 68354, 89386, 105638, 337909, 365431, 431873, 564757, 581009, 675818, 730862, 863746, 1129514, 1162018, 4750603, 6212327, 7341841, 9501206, 12424654, 14683682, 80760251, 161520502]

約数ペア:

[(1, 161520502), (2, 80760251), (11, 14683682), (13, 12424654), (17, 9501206), (22, 7341841), (26, 6212327), (34, 4750603), (139, 1162018), (143, 1129514), (187, 863746), (221, 730862), (239, 675818), (278, 581009), (286, 564757), (374, 431873), (442, 365431), (478, 337909), (1529, 105638), (1807, 89386), (2363, 68354), (2431, 66442), (2629, 61438), (3058, 52819), (3107, 51986), (3614, 44693), (4063, 39754), (4726, 34177), (4862, 33221), (5258, 30719), (6214, 25993), (8126, 19877)]